APA ציטוט

Wetzel, R. G. (2001). Limnology: Lake and River Ecosystems (3.). Academic Press.

Chicago Edition Citation

Wetzel, Robert G. Limnology: Lake and River Ecosystems. 3. San Diego: Academic Press, 2001.

ציטוט MLA

Wetzel, Robert G. Limnology: Lake and River Ecosystems. 3. Academic Press, 2001.